File shelf



FIG. 1 is a perspective view of a file shelf showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view taken from the right of FIG. 1, the side opposite being a mirror image thereof.

FIG. 4 is a rear elevational view; and

FIG. 5 is a bottom plan view. 

The ornamental design for a file shelf, substantially as shown. 